1. In my current game, whever I blow a hole in the wall for Norvogard, that entrace is a few feet in the air (you can see people and shoot people from underneath that entrance). Now my troops cant enter the city through that hole in the wall, but since I can jump, I can enter.
2. After I take the last city/fort from the only remaining faction in the game (Moscovite in my case), some of the Polish lords will start attacking my holdings (villages, castles, cities). Now the whole map is Polish, the Polish own every city/fort and village and am just waiting for the faction to be eliminated. I also can not enter most of the Polish cities, even though I am king. And to top it off, I can't even enter forts/cities that I own. I can sneak in and the mayor will let me improve the city. I can also get troops from the commander. But to enter, I have sneak or seige the city. I actually to to imprison some of the Polish lords for looting my cities (defeated them in battle)...is this a bug or is this as intended. Again this is during that period of time when you are waiting for that faction to be eliminated...the week or so after you take their last city.